diff --git a/drivers/staging/renesas/rcar/ddr/boot_init_dram.h b/drivers/staging/renesas/rcar/ddr/boot_init_dram.h
index 7ec2930..4b0a9eb 100644
--- a/drivers/staging/renesas/rcar/ddr/boot_init_dram.h
+++ b/drivers/staging/renesas/rcar/ddr/boot_init_dram.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef	__BOOT_INIT_DRAM_
-#define	__BOOT_INIT_DRAM_
+#ifndef BOOT_INIT_DRAM_H
+#define BOOT_INIT_DRAM_H
 
 extern int32_t rcar_dram_init(void);
 
@@ -15,4 +15,4 @@
 #define INITDRAM_ERR_O (0xfffffffe)
 #define INITDRAM_ERR_T (0xfffffff0)
 
-#endif
+#endif /* BOOT_INIT_DRAM_H */
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef_e3.h b/drivers/staging/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef_e3.h
index 80e3eec..8606f76 100644
--- a/drivers/staging/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef_e3.h
+++ b/drivers/staging/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef_e3.h
@@ -4,13 +4,12 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-
-#ifndef BOOT_INIT_DRAM_REGDEF_E3_H_
-#define BOOT_INIT_DRAM_REGDEF_E3_H_
+#ifndef BOOT_INIT_DRAM_REGDEF_E3_H
+#define BOOT_INIT_DRAM_REGDEF_E3_H
 
 #ifdef __cplusplus
 extern "C" {
-#endif				/* __cplusplus */
+#endif /* __cplusplus */
 
 #define				BIT0						0x00000001U
 #define				BIT11						0x00000800U
@@ -111,5 +110,6 @@
 
 #ifdef __cplusplus
 }
-#endif				/* __cplusplus */
-#endif				/* BOOT_INIT_DRAM_REGDEF_E3_H_ */
+#endif /* __cplusplus */
+
+#endif /* BOOT_INIT_DRAM_REGDEF_E3_H */
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.h b/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.h
index 115765b..47fe07b 100644
--- a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.h
+++ b/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.h
@@ -4,11 +4,10 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#pragma once
-#include <stdint.h>
+#ifndef DDR_INIT_E3_H
+#define DDR_INIT_E3_H
 
-#ifndef	__DDR_INIT_E3_
-#define	__DDR_INIT_E3_
+#include <stdint.h>
 
 #define RCAR_E3_DDR_VERSION    "rev.0.09"
 
@@ -31,4 +30,4 @@
 #define INITDRAM_ERR_O (0xfffffffe)
 #define INITDRAM_ERR_T (0xfffffff0)
 
-#endif /* __DDR_INIT_E3_ */
+#endif /* DDR_INIT_E3_H */
diff --git a/drivers/staging/renesas/rcar/ddr/dram_sub_func.h b/drivers/staging/renesas/rcar/ddr/dram_sub_func.h
index e083bfb..7e88f42 100644
--- a/drivers/staging/renesas/rcar/ddr/dram_sub_func.h
+++ b/drivers/staging/renesas/rcar/ddr/dram_sub_func.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef DRAM_SUB_FUNC_H_
-#define DRAM_SUB_FUNC_H_
+#ifndef DRAM_SUB_FUNC_H
+#define DRAM_SUB_FUNC_H
 
 #define DRAM_UPDATE_STATUS_ERR	(-1)
 #define DRAM_BOOT_STATUS_COLD	(0)
@@ -14,4 +14,4 @@
 int32_t rcar_dram_update_boot_status(uint32_t status);
 void rcar_dram_get_boot_status(uint32_t * status);
 
-#endif
+#endif /* DRAM_SUB_FUNC_H */
diff --git a/drivers/staging/renesas/rcar/pfc/E3/pfc_init_e3.h b/drivers/staging/renesas/rcar/pfc/E3/pfc_init_e3.h
index 041a778..647a937 100644
--- a/drivers/staging/renesas/rcar/pfc/E3/pfc_init_e3.h
+++ b/drivers/staging/renesas/rcar/pfc/E3/pfc_init_e3.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef PFC_INIT_E3_H__
-#define PFC_INIT_E3_H__
+#ifndef PFC_INIT_E3_H
+#define PFC_INIT_E3_H
 
 void pfc_init_e3(void);
 
-#endif /* PFC_INIT_E3_H__ */
+#endif /* PFC_INIT_E3_H */
diff --git a/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.h b/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.h
index 844c1b9..2478e1c 100644
--- a/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.h
+++ b/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef PFC_INIT_H3_V1_H__
-#define PFC_INIT_H3_V1_H__
+#ifndef PFC_INIT_H3_V1_H
+#define PFC_INIT_H3_V1_H
 
 void pfc_init_h3_v1(void);
 
-#endif /* PFC_INIT_H3_V1_H__ */
+#endif /* PFC_INIT_H3_V1_H */
diff --git a/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.h b/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.h
index 3f691f8..b02f93e 100644
--- a/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.h
+++ b/drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef PFC_INIT_H3_V2_H__
-#define PFC_INIT_H3_V2_H__
+#ifndef PFC_INIT_H3_V2_H
+#define PFC_INIT_H3_V2_H
 
 void pfc_init_h3_v2(void);
 
-#endif /* PFC_INIT_H3_V2_H__ */
+#endif /* PFC_INIT_H3_V2_H */
diff --git a/drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.h b/drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.h
index c6ee693..70885de 100644
--- a/drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.h
+++ b/drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef PFC_INIT_M3_H__
-#define PFC_INIT_M3_H__
+#ifndef PFC_INIT_M3_H
+#define PFC_INIT_M3_H
 
 void pfc_init_m3(void);
 
-#endif /* PFC_INIT_M3_H__ */
+#endif /* PFC_INIT_M3_H */
diff --git a/drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.h b/drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.h
index 9e08e58..3e6f879 100644
--- a/drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.h
+++ b/drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef PFC_INIT_M3N_H__
-#define PFC_INIT_M3N_H__
+#ifndef PFC_INIT_M3N_H
+#define PFC_INIT_M3N_H
 
 void pfc_init_m3n(void);
 
-#endif /* PFC_INIT_M3N_H__ */
+#endif /* PFC_INIT_M3N_H */
diff --git a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.h b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.h
index ab82e96..2c1d8c5 100644
--- a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.h
+++ b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_E3_V10__
-#define QOS_INIT_H_E3_V10__
+#ifndef QOS_INIT_E3_V10_H
+#define QOS_INIT_E3_V10_H
 
 void qos_init_e3_v10(void);
 
-#endif /* QOS_INIT_H_E3_V10__ */
+#endif /* QOS_INIT_E3_V10_H */
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.h
index e55f774..f96182a 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_H3_V10__
-#define QOS_INIT_H_H3_V10__
+#ifndef QOS_INIT_H3_V10_H
+#define QOS_INIT_H3_V10_H
 
 void qos_init_h3_v10(void);
 
-#endif /* QOS_INIT_H_H3_V10__ */
+#endif /* QOS_INIT_H3_V10_H */
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v11.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v11.h
index 759e58b..3faeb4f 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v11.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v11.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_H3_V11__
-#define QOS_INIT_H_H3_V11__
+#ifndef QOS_INIT_H3_V11_H
+#define QOS_INIT_H3_V11_H
 
 void qos_init_h3_v11(void);
 
-#endif /* QOS_INIT_H_H3_V11__ */
+#endif /* QOS_INIT_H3_V11_H */
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.h
index 59c1bdb..9b7619e 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_H3_V20__
-#define QOS_INIT_H_H3_V20__
+#ifndef QOS_INIT_H3_V20_H
+#define QOS_INIT_H3_V20_H
 
 void qos_init_h3_v20(void);
 
-#endif /* QOS_INIT_H_H3_V20__ */
+#endif /* QOS_INIT_H3_V20_H */
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.h
index 5441f55..d33b43c 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_H3_V30__
-#define QOS_INIT_H_H3_V30__
+#ifndef QOS_INIT_H3_V30_H
+#define QOS_INIT_H3_V30_H
 
 void qos_init_h3_v30(void);
 
-#endif /* QOS_INIT_H_H3_V20__ */
+#endif /* QOS_INIT_H3_V30_H */
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.h
index 73fe694..46f3440 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_H3N_V30__
-#define QOS_INIT_H_H3N_V30__
+#ifndef QOS_INIT_H3N_V30_H
+#define QOS_INIT_H3N_V30_H
 
 void qos_init_h3n_v30(void);
 
-#endif /* QOS_INIT_H_H3N_V30__ */
+#endif /* QOS_INIT_H3N_V30_H */
diff --git a/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v10.h b/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v10.h
index 8371075..01ef46c 100644
--- a/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v10.h
+++ b/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v10.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_M3_V10__
-#define QOS_INIT_H_M3_V10__
+#ifndef QOS_INIT_M3_V10_H
+#define QOS_INIT_M3_V10_H
 
 void qos_init_m3_v10(void);
 
-#endif /* QOS_INIT_H_M3_V10__ */
+#endif /* QOS_INIT_M3_V10_H */
diff --git a/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.h b/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.h
index 6e3bc57..1552fb6 100644
--- a/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.h
+++ b/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_M3_V11__
-#define QOS_INIT_H_M3_V11__
+#ifndef QOS_INIT_M3_V11_H
+#define QOS_INIT_M3_V11_H
 
 void qos_init_m3_v11(void);
 
-#endif /* QOS_INIT_H_M3_V11__ */
+#endif /* QOS_INIT_M3_V11_H */
diff --git a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.h b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.h
index ae7d2e2..0cd0c85 100644
--- a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.h
+++ b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_M3N_V10__
-#define QOS_INIT_H_M3N_V10__
+#ifndef QOS_INIT_M3N_V10_H
+#define QOS_INIT_M3N_V10_H
 
 void qos_init_m3n_v10(void);
 
-#endif /* QOS_INIT_H_M3N_V10__ */
+#endif /* QOS_INIT_M3N_V10_H */
diff --git a/drivers/staging/renesas/rcar/qos/qos_common.h b/drivers/staging/renesas/rcar/qos/qos_common.h
index a5963f3..0174d5b 100644
--- a/drivers/staging/renesas/rcar/qos/qos_common.h
+++ b/drivers/staging/renesas/rcar/qos/qos_common.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_COMMON_H_
-#define QOS_COMMON_H_
+#ifndef QOS_COMMON_H
+#define QOS_COMMON_H
 
 #define RCAR_REF_DEFAULT		(0U)
 
@@ -110,4 +110,4 @@
 extern uint32_t qos_init_ddr_ch;
 extern uint8_t qos_init_ddr_phyvalid;
 
-#endif /* QOS_COMMON_H_ */
+#endif /* QOS_COMMON_H */
diff --git a/drivers/staging/renesas/rcar/qos/qos_init.h b/drivers/staging/renesas/rcar/qos/qos_init.h
index d2f3ec8..1b64992 100644
--- a/drivers/staging/renesas/rcar/qos/qos_init.h
+++ b/drivers/staging/renesas/rcar/qos/qos_init.h
@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_INIT_H_
-#define QOS_INIT_H_
+#ifndef QOS_INIT_H
+#define QOS_INIT_H
 
 extern void rcar_qos_init(void);
 extern uint8_t get_boardcnf_phyvalid(void);
 
-#endif /* QOS_INIT_H_ */
+#endif /* QOS_INIT_H */
diff --git a/drivers/staging/renesas/rcar/qos/qos_reg.h b/drivers/staging/renesas/rcar/qos/qos_reg.h
index 1bf70b2..759816f 100644
--- a/drivers/staging/renesas/rcar/qos/qos_reg.h
+++ b/drivers/staging/renesas/rcar/qos/qos_reg.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef QOS_REG_H_
-#define QOS_REG_H_
+#ifndef QOS_REG_H
+#define QOS_REG_H
 
 #define	RCAR_QOS_NONE				(3U)
 #define	RCAR_QOS_TYPE_DEFAULT		(0U)
@@ -118,4 +118,4 @@
 #define	QOSWT_WTSET0				(QOS_BASE0 + 0x8038U)
 #define	QOSWT_WTSET1				(QOS_BASE0 + 0x803CU)
 
-#endif /* QOS_REG_H_ */
+#endif /* QOS_REG_H */